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Satco S11821R1 9W LED Square Downlight Retrofit, 5-6 Inch, CCT Selectable, 120V
The Satco S11821R1 is a 9-watt LED retrofit kit for 5-inch and 6-inch recessed housings. The square white baffle replaces the trim and lamp in one unit, restoring a clean ceiling plane without cutting a new opening. Selectable CCT lets you dial in 2700K, 3000K, 3500K, 4000K, or 5000K at the fixture before installation, so a single SKU covers warm residential, neutral commercial, and cool task environments.
Key Specifications
- Wattage: 9W
- Lumens: 800
- Color Temperature: 2700K / 3000K / 3500K / 4000K / 5000K (selectable)
- Voltage: 120V, 60Hz
- Fits: 5-inch and 6-inch recessed housings
- Shape: Square
- Finish: White
- Dimensions: 7.13" L x 7.13" W x 2.24" H
- Weight: 0.68 lb
- Lamp Base: Integrated LED
- Dimmable: Yes
- Location Rating: Wet
- Rated Hours: 50,000
- Warranty: 5-Year Limited
Certifications
- cETLus Listed
- Title 24 Compliant
- FCC Compliant
- RoHS Compliant
Manufacturer Resources
Spec Sheet
Product Specs
- Avg Rated Hours:
- 50000
- CCT Selectable:
- Yes
- Dimmable:
- Yes
- FCC Compliant:
- Yes
- Lamp Base:
- Integrated
- Lamp Shape:
- Integrated LED
- Lumens:
- 800L
- Operating Frequency:
- 60Hz
- Product Type:
- LED Retrofit Module
- RoHS Compliant:
- Yes
- Warranty:
- 5 Year Limited - Fixtures
- Wattage Selectable:
- No
- Product Group:
- Lighting
- Product Subgroup:
- Recessed Lighting
- Base Material:
- Aluminum
- Location Rating:
- Wet
- Subcategory:
- Recessed
- Certification:
- cETLus - Listed
- Location Indoor/ Outdoor:
- Indoor
- Title 24 Compliant:
- Yes
- Bulb Type:
- LED
- Instructions:
- https://assets.satco.com/dj18eqo18/image/upload/v1713463030/products/S11821R1/S11821R1_Instructions.pdf
- Specifications:
- https://media.satco.com/specsheets/pdf/S11821R1.pdf
- Product Voltage:
- 120V
- Product Length:
- 7.13"
- Light Temperature:
- 2700K/3000K/3500K/4000K/5000K
- Product Dimension:
- L:7.13" W:7.13" H:2.24"
- Mounting Method:
- Recessed Retrofit
- Product Shape:
- Square
- Product Height:
- 2.24"
- Product Category:
- Fixtures
- Product Width:
- 7.13"
- Product Wattage:
- 9W
- Product Weight:
- 0.68 lb
- Product Material:
- Aluminum
- Department:
- Electrical
Satco Lighting S11821R1 – Frequently Asked Questions
1) Will the Satco S11821R1 retrofit downlight fit my existing 5 inch and 6 inch recessed cans?
The S11821R1 is built to drop into both 5 inch and 6 inch housings, so a building with a mix of the two can be relamped with one part number. It is a recessed retrofit, meaning it goes into the existing can rather than replacing it. The trim itself is square and measures 7.13 x 7.13 x 2.24 inches, so plan on a square white trim face covering the round ceiling cutout.
2) Can one Satco S11821R1 downlight be set to different color temperatures for different rooms?
Yes. The S11821R1 is CCT selectable across 2700K, 3000K, 3500K, 4000K and 5000K, chosen at the fixture during install. For a property manager or MRO buyer that means stocking a single SKU for warm 2700K units and 4000K corridors or back-of-house, instead of carrying five color temperatures on the shelf. Wattage is fixed at 9W, so the output does not change with the color setting.
3) Can the Satco S11821R1 be installed in a shower, over a tub, or on a covered porch soffit?
The S11821R1 carries a wet location rating, so shower cans, tub surrounds and covered exterior soffits are within its rating provided the housing it goes into is itself rated for that location. The retrofit does not upgrade the can. Satco lists the fixture as an indoor product, so for open exterior use choose a fixture rated for outdoor service.
4) Will the Satco S11821R1 work on my existing dimmer switch?
The S11821R1 is dimmable on 120V, 60Hz line voltage. Older incandescent dimmers frequently misbehave with a 9W LED load because the load falls under the dimmer's minimum, which shows up as flicker or a dead low end. If the circuit still has a legacy dimmer on it, budget for LED-rated dimmers as part of the retrofit. Satco publishes an install sheet at https://assets.satco.com/dj18eqo18/image/upload/v1713463030/products/S11821R1/S11821R1_Instructions.pdf.
5) Does the Satco S11821R1 downlight meet California Title 24?
Title 24 compliant, and cETLus Listed for both US and Canadian installations. It is also FCC compliant and RoHS compliant. Those are the four items a California inspector or an institutional spec reviewer typically asks for on a recessed retrofit.
6) Can I run the Satco S11821R1 on 277V in a commercial building?
No. The S11821R1 is a 120V, 60Hz fixture only. On a 277V branch circuit common in commercial and institutional buildings you need a 277V or universal-voltage (120-277V) retrofit instead. Verify the circuit voltage at the panel before ordering; a mixed building often runs 277V in the corridors and 120V in the tenant spaces.
7) Do I need to buy LED bulbs separately for the Satco S11821R1 retrofit?
No separate lamp. The LED is integrated into the S11821R1, so there is no socket, no base type to match and nothing to relamp. Rated life is 50,000 hours. At the end of that life the whole retrofit module is swapped, not a bulb, which is the trade-off against a screw-base LED retrofit that lets a maintenance tech change just the lamp.
8) Square vs round recessed retrofit trim: which should I use in an apartment or office remodel?
The S11821R1 is a square trim in white with an aluminum base. Square trim reads as a deliberate architectural choice and lines up with ceiling grid, drywall reveals and other square devices, which is why it gets specified in newer office and multi-family work. Round is the safer pick when you are patching a handful of cans into a ceiling where every other downlight is already round, because a square face beside round ones is obvious from the floor. Fixture body is 7.13 x 7.13 inches square with a 2.24 inch depth.
9) How much clearance do I need above the ceiling to install the Satco S11821R1?
Fixture depth is 2.24 inches on the S11821R1, with a 7.13 inch square footprint. Since it is a retrofit going into an existing 5 or 6 inch can, the housing already occupies the plenum, so the depth figure matters mainly for confirming the driver and module clear the inside of a shallow or sloped can before you commit a whole floor's worth of units. Pull one can and test-fit before ordering in quantity.
10) What finish does the Satco S11821R1 come in?
White is the only finish offered on the S11821R1, part number S11821R1. That keeps it consistent across a job where trims need to disappear into a white ceiling. If the design calls for a black or brushed nickel face, this is not the model to spec.
How fast can I get the Satco Lighting S11821R1 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Satco Lighting S11821R1 come with a warranty?
Absolutely. The Satco Lighting S11821R1 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Satco Lighting S11821R1?
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